85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
/*
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* 程序清单：button控件演示
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*
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* 这个例子会在创建出的view上添加几个不同类型的button控件
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*/
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#include "demo_view.h"
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#include <rtgui/widgets/button.h>
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/* 创建用于演示button控件的视图 */
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rtgui_view_t* demo_view_button(rtgui_workbench_t* workbench)
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{
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rtgui_rect_t rect;
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rtgui_view_t* view;
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rtgui_button_t* button;
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rtgui_font_t* font;
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/* 先创建一个演示用的视图 */
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view = demo_view(workbench, "Button View");
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/* 获得视图的位置信息 */
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demo_view_get_rect(view, &rect);
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rect.x1 += 5;
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rect.x2 = rect.x1 + 100;
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rect.y1 += 5;
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rect.y2 = rect.y1 + 20;
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/* 创建一个button控件 */
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button = rtgui_button_create("Red");
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/* 设置label控件的前景色为红色 */
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RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(button)) = red;
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/* 设置button的位置 */
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rtgui_widget_set_rect(RTGUI_WIDGET(button), &rect);
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/* view是一个container控件，调用add_child方法添加这个button控件 */
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rtgui_container_add_child(RTGUI_CONTAINER(view), RTGUI_WIDGET(button));
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/* 获得视图的位置信息 */
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demo_view_get_rect(view, &rect);
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rect.x1 += 5;
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rect.x2 = rect.x1 + 100;
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rect.y1 += 5 + 25;
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rect.y2 = rect.y1 + 20;
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/* 创建一个button控件 */
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button = rtgui_button_create("Blue");
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/* 设置label控件的前景色为蓝色 */
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RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(button)) = blue;
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/* 设置button的位置 */
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rtgui_widget_set_rect(RTGUI_WIDGET(button), &rect);
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/* view是一个container控件，调用add_child方法添加这个button控件 */
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rtgui_container_add_child(RTGUI_CONTAINER(view), RTGUI_WIDGET(button));
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/* 获得视图的位置信息 */
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demo_view_get_rect(view, &rect);
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rect.x1 += 5;
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rect.x2 = rect.x1 + 100;
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rect.y1 += 5 + 25 + 25;
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rect.y2 = rect.y1 + 20;
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/* 创建一个button控件 */
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button = rtgui_button_create("12 font");
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/* 设置字体为12点阵的asc字体 */
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font = rtgui_font_refer("asc", 12);
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RTGUI_WIDGET_FONT(RTGUI_WIDGET(button)) = font;
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/* 设置button的位置 */
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rtgui_widget_set_rect(RTGUI_WIDGET(button), &rect);
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/* view是一个container控件，调用add_child方法添加这个button控件 */
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rtgui_container_add_child(RTGUI_CONTAINER(view), RTGUI_WIDGET(button));
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/* 获得视图的位置信息 */
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demo_view_get_rect(view, &rect);
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rect.x1 += 5;
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rect.x2 = rect.x1 + 100;
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rect.y1 += 5 + 25 + 25 + 25;
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rect.y2 = rect.y1 + 20;
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/* 创建一个button控件 */
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button = rtgui_button_create("16 font");
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/* 设置字体为16点阵的asc字体 */
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font = rtgui_font_refer("asc", 16);
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RTGUI_WIDGET_FONT(RTGUI_WIDGET(button)) = font;
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/* 设置button的位置 */
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rtgui_widget_set_rect(RTGUI_WIDGET(button), &rect);
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/* view是一个container控件，调用add_child方法添加这个button控件 */
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rtgui_container_add_child(RTGUI_CONTAINER(view), RTGUI_WIDGET(button));
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return view;
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}
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